ST 1 A/Lee Brbnk over Comb ST16 & Mbta/Bmrr
FairSuffolk County, Massachusetts · 1000 Ft SW of Jet SR60&1A · Structure no. R0501839CDOTNBI
- Built
- 1934
- 91 years old, rebuilt 1977
- Condition
- Fair
- inspected March 2024
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 177 ft
- 3 main spans
- Daily traffic
- 54,957
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
ST 1 A/Lee Brbnk over Comb ST16 & Mbta/Bmrr is a steel continuous girder and floorbeam system carrying ST 1 A/Lee Brbnk over Comb ST16 & Mbta/Bmrr in Suffolk County, Massachusetts. It was built in 1934 and reconstructed in 1977, so it is 91 years old, older than the Massachusetts average of 63.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 54,957 vehicles a day, roughly 12% of them trucks, projected to reach 82,755 by 2031. The structure is 177 ft (53.9 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST 1 A/Lee Brbnk over Comb ST16 & Mbta/Bmrr built?
It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1977.
What condition is ST 1 A/Lee Brbnk over Comb ST16 & Mbta/Bmrr in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does ST 1 A/Lee Brbnk over Comb ST16 & Mbta/Bmrr carry?
About 54,957 vehicles per day (2020 count), of which roughly 12% are trucks.
How long is ST 1 A/Lee Brbnk over Comb ST16 & Mbta/Bmrr?
The structure is 177 ft (53.9 m) long with a longest span of 68 ft (20.7 m) and a deck 80 ft wide.
Who owns ST 1 A/Lee Brbnk over Comb ST16 & Mbta/Bmrr?
It is owned by the State Highway Agency.